162 lines
7.0 KiB
LLVM
162 lines
7.0 KiB
LLVM
; RUN: opt -O2 -S < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin11.1"
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%"struct.boost::compressed_pair<empty_t,int>" = type { %"struct.boost::details::compressed_pair_imp<empty_t,int,1>" }
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%"struct.boost::details::compressed_pair_imp<empty_t,int,1>" = type { i32 }
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%struct.empty_base_t = type <{ i8 }>
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%struct.empty_t = type <{ i8 }>
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@.str = private constant [25 x i8] c"x.second() was clobbered\00", align 1 ; <ptr> [#uses=1]
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define i32 @main(i32 %argc, ptr %argv) ssp {
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entry:
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%argc_addr = alloca i32, align 4 ; <ptr> [#uses=1]
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%argv_addr = alloca ptr, align 8 ; <ptr> [#uses=1]
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%retval = alloca i32 ; <ptr> [#uses=2]
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%0 = alloca i32 ; <ptr> [#uses=2]
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%retval.1 = alloca i8 ; <ptr> [#uses=2]
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%1 = alloca %struct.empty_base_t ; <ptr> [#uses=1]
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%2 = alloca ptr ; <ptr> [#uses=1]
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%x = alloca %"struct.boost::compressed_pair<empty_t,int>" ; <ptr> [#uses=3]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store i32 %argc, ptr %argc_addr
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store ptr %argv, ptr %argv_addr
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%3 = call ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %x) ssp ; <ptr> [#uses=1]
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store i32 -3, ptr %3, align 4
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%4 = call ptr @_ZN5boost15compressed_pairI7empty_tiE5firstEv(ptr %x) ssp ; <ptr> [#uses=1]
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store ptr %4, ptr %2, align 8
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call void @_ZN7empty_tC1Ev(ptr %1) nounwind
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%5 = call ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %x) ssp ; <ptr> [#uses=1]
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%6 = load i32, ptr %5, align 4 ; <i32> [#uses=1]
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%7 = icmp ne i32 %6, -3 ; <i1> [#uses=1]
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%8 = zext i1 %7 to i8 ; <i8> [#uses=1]
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store i8 %8, ptr %retval.1, align 1
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%9 = load i8, ptr %retval.1, align 1 ; <i8> [#uses=1]
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%toBool = icmp ne i8 %9, 0 ; <i1> [#uses=1]
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br i1 %toBool, label %bb, label %bb1
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bb: ; preds = %entry
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%10 = call i32 @puts(ptr @.str) ; <i32> [#uses=0]
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call void @abort() noreturn
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unreachable
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bb1: ; preds = %entry
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store i32 0, ptr %0, align 4
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%11 = load i32, ptr %0, align 4 ; <i32> [#uses=1]
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store i32 %11, ptr %retval, align 4
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br label %return
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; CHECK-NOT: x.second() was clobbered
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; CHECK: ret i32
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return: ; preds = %bb1
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%retval2 = load i32, ptr %retval ; <i32> [#uses=1]
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ret i32 %retval2
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}
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define linkonce_odr void @_ZN12empty_base_tC2Ev(ptr %this) nounwind ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=1]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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br label %return
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return: ; preds = %entry
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ret void
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}
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define linkonce_odr void @_ZN7empty_tC1Ev(ptr %this) nounwind ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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%0 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
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call void @_ZN12empty_base_tC2Ev(ptr %0) nounwind
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br label %return
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return: ; preds = %entry
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ret void
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}
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define linkonce_odr ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(ptr %this) nounwind ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
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%retval = alloca ptr ; <ptr> [#uses=2]
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%0 = alloca ptr ; <ptr> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
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%2 = getelementptr inbounds %"struct.boost::details::compressed_pair_imp<empty_t,int,1>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
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store ptr %2, ptr %0, align 8
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%3 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
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store ptr %3, ptr %retval, align 8
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br label %return
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return: ; preds = %entry
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%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
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ret ptr %retval1
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}
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define linkonce_odr ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %this) ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
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%retval = alloca ptr ; <ptr> [#uses=2]
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%0 = alloca ptr ; <ptr> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
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%2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
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%3 = call ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(ptr %2) nounwind ; <ptr> [#uses=1]
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store ptr %3, ptr %0, align 8
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%4 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
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store ptr %4, ptr %retval, align 8
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br label %return
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return: ; preds = %entry
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%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
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ret ptr %retval1
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}
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define linkonce_odr ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(ptr %this) nounwind ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
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%retval = alloca ptr ; <ptr> [#uses=2]
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%0 = alloca ptr ; <ptr> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
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store ptr %1, ptr %0, align 8
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%2 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
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store ptr %2, ptr %retval, align 8
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br label %return
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return: ; preds = %entry
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%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
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ret ptr %retval1
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}
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define linkonce_odr ptr @_ZN5boost15compressed_pairI7empty_tiE5firstEv(ptr %this) ssp align 2 {
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entry:
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%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
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%retval = alloca ptr ; <ptr> [#uses=2]
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%0 = alloca ptr ; <ptr> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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store ptr %this, ptr %this_addr
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%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
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%2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
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%3 = call ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(ptr %2) nounwind ; <ptr> [#uses=1]
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store ptr %3, ptr %0, align 8
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%4 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
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store ptr %4, ptr %retval, align 8
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br label %return
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return: ; preds = %entry
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%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
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ret ptr %retval1
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}
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declare i32 @puts(ptr)
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declare void @abort() noreturn
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